:root {
    --bs-primary: #6b4423;
    --bs-primary-rgb: 107, 68, 35;
    --bs-secondary: #e67e22;
    --bs-secondary-rgb: 230, 126, 34;
    --bs-dark: #2d1c0e;
    --bs-dark-rgb: 45, 28, 14;
    --bs-body-font-family: 'Be Vietnam Pro', system-ui, sans-serif;
    --wood-50: #faf6f2;
    --wood-100: #f0e6db;
    --wood-700: #6b4423;
    --wood-800: #4a2f18;
    --wood-900: #2d1c0e;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 130px;
}

body {
    font-family: var(--bs-body-font-family);
}

.bg-wood-50 { background-color: var(--wood-50) !important; }
.bg-wood-100 { background-color: var(--wood-100) !important; }
.bg-wood-700 { background-color: var(--wood-700) !important; }
.bg-wood-800 { background-color: var(--wood-800) !important; }
.bg-wood-900 { background-color: var(--wood-900) !important; }
.text-wood-700 { color: var(--wood-700) !important; }
.text-wood-800 { color: var(--wood-800) !important; }

.section-title::after {
    content: '';
    display: block;
    width: 64px;
    height: 4px;
    background-color: var(--bs-secondary);
    margin: 0.75rem auto 0;
}

.hero-section {
    min-height: 480px;
    overflow: hidden;
}

.hero-bg-slides {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.2s ease-in-out, transform 5s ease-out;
}

.hero-bg-slide.active {
    opacity: 1;
    transform: scale(1);
}

.hero-overlay {
    z-index: 1;
    background: linear-gradient(90deg, rgba(45, 28, 14, 0.92) 0%, rgba(45, 28, 14, 0.55) 60%, rgba(45, 28, 14, 0.2) 100%);
}

.hero-promo-badge {
    display: inline-block;
    transform-origin: center;
    animation: promo-pulse 1.4s ease-in-out infinite;
}

@keyframes promo-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.45);
    }

    50% {
        transform: scale(1.1);
        box-shadow: 0 0 14px 4px rgba(220, 53, 69, 0.35);
    }
}

.hero-typing-line {
    display: inline-block;
    margin-top: 0.15em;
    font-family: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    font-size: 1.2em;
    font-weight: 600;
    font-style: italic;
    letter-spacing: 0.03em;
    color: #f5c98a;
    text-shadow: 0 2px 16px rgba(230, 126, 34, 0.4);
}

.hero-typing-line .typing-cursor {
    display: inline-block;
    font-weight: 400;
    margin-left: 2px;
    color: #f5c98a;
    animation: typing-blink 0.7s step-end infinite;
}

@keyframes typing-blink {
    50% {
        opacity: 0;
    }
}

.usp-card {
    margin-top: -3rem;
}

.product-card img {
    aspect-ratio: 4 / 5;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover img {
    transform: scale(1.05);
}

.product-card .card-img-top {
    overflow: hidden;
}

.floating-contact {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 1050;
}

.floating-contact__channels {
    position: absolute;
    bottom: calc(100% + 0.75rem);
    left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    pointer-events: none;
}

.floating-contact__channel {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    opacity: 0;
    transform: translateX(-16px) scale(0.92);
    transition:
        opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition-delay: calc((1 - var(--channel-index)) * 60ms);
}

.floating-contact.is-open .floating-contact__channel {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    transition-delay: calc(var(--channel-index) * 80ms + 50ms);
}

.floating-contact__label {
    padding: 0.5rem 1rem;
    background: #fff;
    color: var(--wood-800);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 2rem;
    box-shadow: 0 4px 16px rgba(45, 28, 14, 0.15);
    white-space: nowrap;
}

.floating-contact__channel-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
    transition: transform 0.25s ease;
}

.floating-contact__channel:hover .floating-contact__channel-icon {
    transform: scale(1.08);
}

.floating-contact__channel--zalo .floating-contact__channel-icon {
    background: linear-gradient(135deg, #0068ff 0%, #0050cc 100%);
}

.floating-contact__channel--phone .floating-contact__channel-icon {
    background: linear-gradient(135deg, var(--bs-secondary) 0%, #d35400 100%);
}

.floating-contact__toggle {
    position: relative;
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bs-primary) 0%, #4a2f18 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(107, 68, 35, 0.45);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
    overflow: visible;
}

.floating-contact__toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(107, 68, 35, 0.5);
}

.floating-contact.is-open .floating-contact__toggle {
    transform: rotate(0deg);
    background: linear-gradient(135deg, #5c5c5c 0%, #3a3a3a 100%);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.floating-contact__ripple {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(107, 68, 35, 0.5);
    animation: floating-ripple 2.4s cubic-bezier(0, 0.2, 0.4, 1) infinite;
    pointer-events: none;
}

.floating-contact__ripple--delay {
    animation-delay: 1.2s;
}

.floating-contact.is-open .floating-contact__ripple {
    animation: none;
    opacity: 0;
}

@keyframes floating-ripple {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

.floating-contact__icon-wrap {
    position: relative;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-contact__icon {
    position: absolute;
    transition:
        opacity 0.3s ease,
        transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.floating-contact__icon--support {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.floating-contact__icon--close {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.floating-contact.is-open .floating-contact__icon--support {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.floating-contact.is-open .floating-contact__icon--close {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.navbar-top {
    background: linear-gradient(180deg, var(--wood-700) 0%, var(--wood-800) 100%);
}

.navbar-top__logo {
    background-color: var(--wood-100);
    color: var(--wood-800);
    font-size: 1.125rem;
}

.navbar-top__brand-title {
    font-size: 1.35rem;
}

.navbar-top__brand-subtitle {
    font-size: 0.9375rem;
}

.navbar-top__link {
    font-size: 0.9375rem;
    font-weight: 500;
}

.navbar-nav .dropdown-menu {
    border-radius: 0;
    border-color: var(--wood-100);
}

.navbar-nav .nav-link {
    font-size: 1.0625rem;
    font-weight: 600;
    white-space: nowrap;
}

.navbar-nav .nav-link.text-wood-800:hover {
    color: var(--wood-700) !important;
}

.navbar-nav__mobile-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--wood-800);
    border-left: 4px solid transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.navbar-nav__mobile-link.is-active {
    background-color: var(--wood-100);
    color: var(--wood-800);
    border-left-color: var(--wood-700);
    font-weight: 600;
}

.topbar {
    font-size: 0.8125rem;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-thumb {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.price-text {
    color: var(--bs-secondary);
    font-weight: 700;
}

.tag-badge {
    background-color: var(--wood-800);
    transition: background-color 0.2s;
}

.tag-badge:hover {
    background-color: var(--bs-secondary) !important;
}

.btn-secondary:hover {
    background-color: #d35400;
    border-color: #d35400;
}

body.is-loading {
    overflow: hidden;
}

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        135deg,
        rgba(45, 28, 14, 0.72) 0%,
        rgba(74, 47, 24, 0.65) 50%,
        rgba(107, 68, 35, 0.58) 100%
    );
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loader__inner {
    text-align: center;
    padding: 2rem;
}

.page-loader__ring-wrap {
    position: relative;
    width: 168px;
    height: 168px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-loader__ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.12);
    border-top-color: var(--bs-secondary);
    border-right-color: #f5c98a;
    animation: loader-spin 0.9s linear infinite;
}

.page-loader__ring::after {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-bottom-color: rgba(245, 201, 138, 0.55);
    animation: loader-spin 1.4s linear infinite reverse;
}

@keyframes loader-spin {
    to { transform: rotate(360deg); }
}

.page-loader__logo {
    position: relative;
    z-index: 1;
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.35;
    color: #f5c98a;
    letter-spacing: 0.02em;
    text-align: center;
    max-width: 108px;
}

.page-loader__text {
    margin: 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.65);
}

.back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1050;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bs-primary) 0%, #4a2f18 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(107, 68, 35, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition:
        opacity 0.35s ease,
        visibility 0.35s ease,
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.25s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(107, 68, 35, 0.5);
}

.back-to-top.is-visible:hover {
    transform: translateY(-3px);
}

/* Tabs dạng button – CÁC KIỂU MẪU CỬA */
#productTabs .nav-link {
    color: var(--wood-800);
    background-color: #fff;
    border: 1px solid var(--wood-100);
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.25rem;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

#productTabs .nav-link:hover:not(.active) {
    color: var(--bs-primary);
    background-color: var(--wood-50);
    border-color: var(--wood-700);
}

#productTabs .nav-link.active {
    color: #fff;
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    box-shadow: 0 4px 14px rgba(var(--bs-primary-rgb), 0.35);
}

#productTabsContent > .tab-pane > .row {
    row-gap: 12px;
}

.consult-form .form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.35rem;
}

.consult-form .form-control {
    border: 1px solid rgba(255, 255, 255, 0.18);
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.consult-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.consult-form .form-control:focus {
    border-color: var(--bs-secondary);
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.2);
}

.consult-form textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

#consultSubmitBtn:disabled {
    opacity: 0.85;
    cursor: not-allowed;
}

.toast-stack {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: min(360px, calc(100vw - 2rem));
    pointer-events: none;
}

.app-toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    background: #fff;
    color: var(--wood-900);
    box-shadow: 0 12px 32px rgba(45, 28, 14, 0.18);
    border-left: 4px solid var(--bs-secondary);
    opacity: 0;
    transform: translateX(24px);
    transition:
        opacity 0.3s ease,
        transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: auto;
}

.app-toast.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.app-toast--success {
    border-left-color: #198754;
}

.app-toast--danger {
    border-left-color: #dc3545;
}

.app-toast__icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    background: var(--bs-secondary);
}

.app-toast--success .app-toast__icon {
    background: #198754;
}

.app-toast--danger .app-toast__icon {
    background: #dc3545;
}

.app-toast__message {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.45;
    padding-top: 0.1rem;
}

.app-toast__close {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: #6c757d;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0;
    cursor: pointer;
}

.app-toast__close:hover {
    color: var(--wood-900);
}